How to plot hypergeometric function using TF1 class in ROOT?

ROOT
1

Hello everyone
I am trying to write code in ROOT.I want to plot generalized hypergeometric function pFq with p=0 and q=3 i.e I want to plot 0F3(;4/3,5/3,2;x) as a function of x using TF1 class.I am not getting how to plot this function in ROOT.Kindly help me out.
Also I wanted to know, Is there any method to include summation in TF1 class like e.g my function f(x)=sigma(n=0 t0 n=infinity) (x)^n * (1-x)^n .so can I plot this function f(x) as a function of x.

Thanks a lot in Advance

2

May be something like point 4) of this page.

3

Thanks.Now I know how to do summation in TF1.
But the issue is I need to calculate hypergeometric function 0F3(;4/3,5/3,2,x) as a function of x.
I dont think its predefined in root(searched but no result).and if I am trying to write this function by my own,it contains summation from 0 to infinity.and it gives error.
Kindly enlighten is there any way to plot this function in root.
THanks in Advance

4

if you look for “hypergeometric function” in this page
you will find some entries.

5

It gives information about 1F1 type of hypergeometric function.I need 0F1

6

May be @moneta can tell more about that.

7

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